Ford E350 Air Conditioning Switches Between Vents And Floor

With no vaccum to the deflectors all the air will go to the defrost position.

Ford e350 air conditioning switches between vents and floor.

Rather any and all parts purchased through this website are sold to you by your dealer. Folks same problem as the start of the string. I own a 1999 ford e 150 5 4l xlt van that has an air conditioning problem. A failure has occurred in the hvac system legally when a fault happens the hvac system will default to defrost floor.

I was sitting stopped turned on the a c and it started blowing nice and cold as normal. 2002 f350 diesel dually ac air comes out defrost vent and will not change no matter what mode is selected. Have no defrost on a 2015 ford f250 superduty with only 1 950 miles. I have a 2001 windstar.

As a side note where the air goes inside the van defrost vent or floor is driven by vaccum from the intake manifold. 2002 f 150 harley davidson this started just the other day when i was trying to use my a c. Also the knob will not go onto the dash vent option it s like it just springs back up. The air management aystem is the first which should be checked because some of the problems are relatively simple to diagnose.

This video explains the problem and solves it without completely diss. Started it today and it came out the right vents after shutdown and later start it was back to the defrost vents. When i accelerate the air stops blowing in the rear roof and front vent locations. After i started accelerating the flow through the vents slowed and finally stopped.

The air management aystem and the refrigerant cycling system. Ford is not the seller of the parts offered for sale on this website. It worked fine till now then it started cycling only when accelerating up a steep hill and now it pretty much does it every time i accelerate at all even when stopping at stop signs and such. The air conditioner will cycle between the vents the defroster and the floor.

The cold air blows out of the defrost and floor vents all of the time. Took to the dealer to get fixed and they scoped out the vent with a camera and showed me pictures of us coins change that s fallen down the defrost vents and is blocked the damper door of the vents under the dash. Vaccum comes from the back side of the upper intake manifold through a thin vaccum line which has a check valve in it. Air is blowing out of the floor vents and defrost vents but not dash vents.

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